Element block pseudo-element :after generated with transition display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default box-sizing content-box height auto z-index auto transform background border-radius padding 20px width 160px line-height 1 float none overflow hidden font-size 16px margin 0px position static font-weight normal border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2)